Mathematics, 16.08.2021 22:30 marxusalexander4069
Polokwane Butchery supplies Vienna sausages in the entire of KZN province. An Inspector from the CCSA has been sceptical of the mass of the Vienna sausage packs after receiving numerous complaints. He wants to investigate the marked mass shown on Vienna sausages. A pilot study showed a mean of 11.8kg per pack and a variance of 0.49kg. How many packs should the Inspector sample in order to be 99% confident that the sample mean will differ by at most 0.2kg? (15 marks)
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Polokwane Butchery supplies Vienna sausages in the entire of KZN province. An Inspector from the CCS...
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